Datasheet LT3072 (Analog Devices) - 7

LT3072
TYPICAL PERFORMANCE CHARACTERISTICS Output Voltage (1.8V) Output Voltage (2.5V) GND Pin Current vs IOUT
1.8225 2.5312 6.0 VBIAS = 3.3V V OPPOSING CHANNEL 10mA 1.8180 BIAS = 5V V 5.5 IN = 2.1V 2.5234 VIN = 2.8V VIN = VOUT + 0.3V IOUT = 10mA 5.0 1.8135 IOUT = 10mA 2.5156 4.5 1.8090 4.0 1.8045 2.5078 TAGE (V) TAGE (V) 3.5 1.8000 2.5000 3.0 1.7955 2.5 2.4922 2.0 1.7910 OUTPUT VOL OUTPUT VOL 2.4844 GND PIN CURRENT (mA) 1.5 V 1.7865 OUT1 = VOUT2 = 2.5V, VBIAS = 5V V 1.0 OUT1 = VOUT2 = 1.8V, VBIAS = 3.3V 1.7820 2.4766 VOUT1 = VOUT2 = 1.2V, VBIAS = 2.5V 0.5 VOUT1 = VOUT2 = 0.6V, VBIAS = 2.5V 1.7775 2.4688 0 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 0 0.5 1.0 1.5 2.0 2.5 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (A) 3072 G10 3072 G11 3072 G12
GND Pin Current BIAS Pin Current in Nap Mode BIAS Pin Current in Nap Mode
5.0 2.4 2.4 OPPOSING CHANNEL 10mA V VEN1 = VEN2 = 0V 4.5 EN1 = VEN2 = 0V VOUT = 1.2V 2.1 2.1 VIN = 1.5V 4.0 VBIAS = 2.5V 1.8 1.8 3.5 3.0 1.5 1.5 2.5 1.2 1.2 2.0 0.9 0.9 1.5 2.5A GND PIN CURRENT (mA) 1A BIAS PIN CURRENT (mA) 0.6 BIAS PIN CURRENT (mA) 0.6 1.0 500mA VBIAS = 5V 100mA 0.5 0.3 0.3 VBIAS = 3.3V 10mA VBIAS = 2.5V 0 0 0 –50 –25 0 25 50 75 100 125 150 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) BIAS PIN VOLTAGE (V) TEMPERATURE (°C) 3072 G13 3072 G14 3072 G15
BIAS Pin Undervoltage Lockout BIAS Pin Current vs IOUT BIAS Pin Current Threshold
10 12 2.4 OPPOSING CHANNEL 10mA OPPOSING CHANNEL 10mA 2.5A 9 V 11 IN = VOUT + 0.3V V 1A OUT = 1.2V 10 2.3 V 500mA 8 IN = 1.5V V 100mA 9 BIAS = 2.5V VBIAS RISING 7 10mA 2.2 8 6 7 2.1 5 6 VBIAS FALLING 4 5 2.0 4 3 1.9 BIAS PIN CURRENT (mA) BIAS PIN CURRENT (mA) 3 2 VOUT = 2.5V, VBIAS = 5.0V 2 BIAS PIN UVLO THRESHOLD (V) V 1.8 OUT = 1.8V, VBIAS = 3.3V 1 V 1 OUT = 0.6V, VBIAS = 2.5V 0 0 1.7 0 0.5 1.0 1.5 2.0 2.5 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 OUTPUT CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3072 G16 3072 G17 3072 G18 Rev. 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Typical Application Related Parts